Update on recent clinical trials in congestive heart failure.

Abstract	Understanding of the pathophysiology of heart failure has advanced over the last decade, resulting in new therapeutic advances. Convincing data exist that angiotensin-converting enzyme (ACE) inhibition and adrenergic blockade are the most important therapies and have the capacity to improve survival and lower morbidity. Higher doses of both ACE inhibitors and beta-blockers appear to provide additional benefits. The aldosterone antagonist spironolactone, when used in severe heart failure, provides additional survival advantage when added to standard triple therapy. Angiotensin receptor blockers have not been shown to be superior to ACE inhibitors, and their role in heart failure treatment requires further investigation. No trial's data support the use of inotropic agents or calcium channel blockers in heart failure. A number of new therapeutic agents, including vasopressin antagonists and tumor necrosis factor-alpha receptor antibody are in phase II and III clinical trials. If proved beneficial, they may provide new treatment options for patients with heart failure. Nevertheless, the current challenge is to increase the use of proven therapies, namely ACE inhibitors and beta-blockers, to improve outcomes in the rapidly growing population of patients with congestive heart failure.
Authors	A S Betkowski, P J Hauptman
Journal	Current opinion in cardiology (Curr Opin Cardiol) Vol. 15 Issue 4 Pg. 293-303 (Jul 2000) ISSN: 0268-4705 [Print] United States
PMID	11139094 (Publication Type: Journal Article, Review)
Chemical References	Adrenergic beta-Antagonists Angiotensin Receptor Antagonists Angiotensin-Converting Enzyme Inhibitors Calcium Channel Blockers Mineralocorticoid Receptor Antagonists Sympatholytics
Topics	Adrenergic beta-Antagonists (therapeutic use) Angiotensin Receptor Antagonists Angiotensin-Converting Enzyme Inhibitors (therapeutic use) Calcium Channel Blockers (therapeutic use) Clinical Trials, Phase II as Topic Clinical Trials, Phase III as Topic Heart Failure (drug therapy, mortality) Humans Mineralocorticoid Receptor Antagonists (therapeutic use) Myocardial Contraction (drug effects) Randomized Controlled Trials as Topic Renin-Angiotensin System (drug effects) Stimulation, Chemical Sympatholytics (therapeutic use)

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